Where your water comes from

The Edwards Aquifer is a massive underground reservoir, and the source for most of San Antonio's drinking water. SAWS also relies on several non-Edwards Aquifer water sources to ensure our city's water future.

Hands being washed under water

What's in the water?

Find out exactly what is in our superior-quality water.

View Water Quality Reports

Recycle & Protect

Water Recycling

San Antonio is the only U.S. city to reuse all three wastewater treatment process byproducts: recycled water, organic biosolids and methane gas. We humbly call it the environmental "trifecta."

Protection & Compliance

SAWS takes a proactive approach to protecting your water supply quality.